Portable loudspeaker



FIG. 1 is a front view of the portable loudspeaker;

FIG. 2 is a left side view of the portable loudspeaker;

FIG. 3 is a rear view of the portable loudspeaker;

FIG. 4 is a right side view of the portable loudspeaker;

FIG. 5 is a bottom view of the portable loudspeaker;

FIG. 6 is a top view of the portable loudspeaker;

FIG. 7 is a rear top left perspective view of the portable loudspeaker; and,

FIG. 8 is a left top front perspective view of the portable loudspeaker. 

CLAIM The ornamental design for a portable loudspeaker, as shown and described. 